auto storage class - infer or RAII?

[Derek Parnell]

On Mon, 13 Nov 2006 01:58:21 -0500, Chad J wrote:

> Walter Bright wrote:
>> The auto storage class currently is a little fuzzy in meaning, it can 
>> mean "infer the type" and/or "destruct at end of scope". The latter only 
>> has meaning for class objects, so let's look at the syntax. There are 4 
>> cases:
>> 
>> class Class { }
>> 
>> 1) auto c = new Class();
>> 2) auto Class c = new Class();
>> 3) auto c = some_expression();
>> 4) auto Class c = some_expression();
>> 
>> The ambiguity can be resolved by saying that if auto is used for type 
>> inference, i.e. cases (1) and (3), then it does not mean RAII. If it is 
>> not used for type inference, i.e. cases (2) and (4), then it does mean 
>> RAII.
>> 
>> In the future, I'd like the following to work:
>> 
>> 5) auto c = Class();
>> 
>> which would mean type inference *and* RAII.
> 
> I'm going to chime in with the people who don't like (5).  I'd much 
> prefer reusing 'scope' or some such.

Has anyone worked out how to grep for instances of RAII and/or TI using
this proposed syntax? I mean if I wanted to locate all the places where I
was using (only) RAII, what would be the regular expression to do that? The
same with TI? I'm sure it can be done but I'm no RE guru.

-- 
Derek
(skype: derek.j.parnell)
Melbourne, Australia
"Down with mediocrity!"
13/11/2006 6:26:08 PM